Windows Lock Screen Shortcut – Keyboard Shortcut to Lock Computer
Press the Windows key + L
key on your keyboard to lock your Windows 10 computer.
Always remember to use the Windows key + L shortcut to lock Windows 10 when you leave your computer so that nobody nearby could get access to your computer.
A lock screen shortcut is also available from the menu that pops up when you click your account picture in the column at the left edge of the Start menu.